Home / 12,420.01-18,630.33-4,627.27

Finding the Fourth Proportional to 12,420.01, 18,630.33 and 4,627.27

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Solution

The fourth proportional to 12,420.01, 18,630.33 and 4,627.27 is: 6,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420.01 : 18,630.33 = 4,627.27 : x
  2. Step 2: Convert to fraction form
    12,420.01/18,630.33 = 4,627.27/x
  3. Step 3: Cross multiply
    12,420.01x = 18,630.33 × 4,627.27
  4. Step 4: Simplify right side
    12,420.01x = 86,207,567.10
  5. Step 5: Solve for x
    x = 86,207,567.10/12,420.01
  6. Step 6: Final answer
    x = 6,941.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.